860-002 is a lock washer used in various airless sprayer models to secure fasteners and prevent loosening due to vibration. This washer helps maintain tight connections in critical assemblies, ensuring reliable operation and reducing the risk of component failure. Replace worn or damaged lock washers during maintenance to restore proper clamping force.
| Part Number | 860-002 |
|---|---|
| Part Description | Lock Washer |
| Brand | Airrless Sprayer, Helix, Hydra, Impact, PowrLiner, RentSpary, PowrTwine, ProMark |
| Fits |
1140I, 1140IX, 840I, 840IX, Advantage 1100, Advantage 700, Elite 3500, Elite 3500 72v, Elite 5500, Helix 0138040, Helix 0138065, Helix FR28, Helix VR2.3, Hydra M, Hydra Pro Super, Hydra X 4540, Hydra X 7230, Impact 1040, Impact 1140 I, Impact 1140 IA, Performer 1140IX, PowrLiner 1800M, PowrLiner 2800, PowrLiner 2800M, PowrLiner 2850, PowrLiner 3500, PowrLiner 3500 72v, PowrLiner 3500S, PowrLiner 4000, PowrLiner 4500, PowrLiner 4900, PowrLiner 4900XLT, PowrLiner 4950, PowrLiner 4955, PowrLiner 5000, PowrLiner 5500, PowrLiner 6000, PowrLiner 6900XLT, PowrLiner 6950, PowrLiner 6955, PowrLiner 8900, PowrLiner 8900XLT, PowrLiner 8950, PowrLiner 8955, PowrTex 1200 SF, PowrTex 12000 SV, PowrTex 6900SF, PowrTwin 12000, PowrTwin 12000 Plus DI, PowrTwin 12000GH, PowrTwin 12000GHD, PowrTwin 12000XLT, PowrTwin 12000XLT DI, PowrTwin 3500, PowrTwin 3500 (50th Anniversary Special), PowrTwin 4500, PowrTwin 4900, PowrTwin 4900GH, PowrTwin 4900XLT, PowrTwin 6900, PowrTwin 6900 Plus DI, PowrTwin 6900GH, PowrTwin 6900XLT, PowrTwin 6900XLT DI, PowrTwin 8900, PowrTwin 8900GH, ProMark II 759-2010, RentSpray 700
|
| Condition | New |
The 860-002 lock washer is a mechanical fastener component designed to prevent nuts, bolts, and screws from loosening under vibration or dynamic load. In airless sprayers—including both standard Airless Sprayer and Digital Airless Sprayer models—these washers are used in motor mounts, pump assemblies, handle attachments, and other critical joints where maintaining clamping force is essential for safe, reliable operation.
Over time, lock washers can lose their temper, become deformed, or corrode, compromising their ability to hold tension. Replacing a worn or missing lock washer with a new OEM part restores the original clamping force and helps avoid costly damage from loose components.
| Prevents loosening | Applies spring tension to keep fasteners tight under vibration |
|---|---|
| Load distribution | Helps spread clamping load evenly under the fastener head |
| Maintains tension | Compensates for slight settling or thermal expansion of joined parts |
| Deformed or bent | Washer no longer lies flat; locking tabs are flattened |
|---|---|
| Broken or cracked | Visible fractures in the metal |
| Missing | Washer absent after disassembly or found loose in the unit |
| Corroded / rusted | Heavy corrosion reduces material thickness and spring action |
Lock washer 860-002 is compatible with a wide range of airless sprayer models, as listed below. Always verify fitment with your equipment's parts manual before ordering.
| Compatible Model | Application |
|---|---|
| Airless Sprayer 1140IX | Lock Washer (OEM) |
| Airless Sprayer 1140I | Lock Washer (OEM) |
| Digital Airless Sprayer 1140IX | Lock Washer (OEM) |
| Airless Sprayer 840I | Lock Washer (OEM) |
| Airless Sprayer 840IX | Lock Washer (OEM) |
| Digital Airless Sprayer 840IX | Lock Washer (OEM) |
| Advantage 1100 | Lock Washer (OEM) |
| Advantage 700 | Lock Washer (OEM) |
| Elite 3500 | Lock Washer (OEM) |
| Elite 3500 72v | Lock Washer (OEM) |
| Elite 5500 | Lock Washer (OEM) |
| Helix 0138040 | Lock Washer (OEM) |
| Helix 0138065 | Lock Washer (OEM) |
| Helix FR28 | Lock Washer (OEM) |
| Helix VR2.3 | Lock Washer (OEM) |
| Hydra M | Lock Washer (OEM) |
| Hydra Pro Super | Lock Washer (OEM) |
| Hydra X 4540 | Lock Washer (OEM) |
| Hydra X 7230 | Lock Washer (OEM) |
| Impact 1040 | Lock Washer (OEM) |
| Impact 1140 I | Lock Washer (OEM) |
| Impact 1140 IA | Lock Washer (OEM) |
| Performer 1140IX | Lock Washer (OEM) |
| PowrLiner 1800M | Lock Washer (OEM) |
| PowrLiner 2800 | Lock Washer (OEM) |
| PowrLiner 2800M | Lock Washer (OEM) |
| PowrLiner 2850 | Lock Washer (OEM) |
| PowrLiner 3500 | Lock Washer (OEM) |
| PowrLiner 3500 72v | Lock Washer (OEM) |
| PowrLiner 3500S | Lock Washer (OEM) |
| PowrLiner 4000 | Lock Washer (OEM) |
| PowrLiner 4500 | Lock Washer (OEM) |
| PowrLiner 4900 | Lock Washer (OEM) |
| PowrLiner 4900XLT | Lock Washer (OEM) |
| PowrLiner 4950 | Lock Washer (OEM) |
| PowrLiner 4955 | Lock Washer (OEM) |
| PowrLiner 5000 | Lock Washer (OEM) |
| PowrLiner 5500 | Lock Washer (OEM) |
| PowrLiner 6000 | Lock Washer (OEM) |
| PowrLiner 6900XLT | Lock Washer (OEM) |
| PowrLiner 6950 | Lock Washer (OEM) |
| PowrLiner 6955 | Lock Washer (OEM) |
| PowrLiner 8900 | Lock Washer (OEM) |
| PowrLiner 8900XLT | Lock Washer (OEM) |
| PowrLiner 8950 | Lock Washer (OEM) |
| PowrLiner 8955 | Lock Washer (OEM) |
| PowrTex 1200 SF | Lock Washer (OEM) |
| PowrTex 12000 SV | Lock Washer (OEM) |
| PowrTex 6900SF | Lock Washer (OEM) |
| PowrTwin 12000 | Lock Washer (OEM) |
| PowrTwin 12000 Plus DI | Lock Washer (OEM) |
| PowrTwin 12000GH | Lock Washer (OEM) |
| PowrTwin 12000GHD | Lock Washer (OEM) |
| PowrTwin 12000XLT | Lock Washer (OEM) |
| PowrTwin 12000XLT DI | Lock Washer (OEM) |
| PowrTwin 3500 | Lock Washer (OEM) |
| PowrTwin 3500(50th Anniversary Special) | Lock Washer (OEM) |
| PowrTwin 4500 | Lock Washer (OEM) |
| PowrTwin 4900 | Lock Washer (OEM) |
| PowrTwin 4900GH | Lock Washer (OEM) |
| PowrTwin 4900XLT | Lock Washer (OEM) |
| PowrTwin 6900 | Lock Washer (OEM) |
| PowrTwin 6900 Plus DI | Lock Washer (OEM) |
| PowrTwin 6900GH | Lock Washer (OEM) |
| PowrTwin 6900XLT | Lock Washer (OEM) |
| PowrTwin 6900XLT DI | Lock Washer (OEM) |
| PowrTwin 8900 | Lock Washer (OEM) |
| PowrTwin 8900GH | Lock Washer (OEM) |
| ProMark II 759-2010 | Lock Washer (OEM) |
| RentSpray 700 | Lock Washer (OEM) |
* This list includes the most common models; always check your parts manual.
When replacing a lock washer, it's good practice to inspect the mating hardware. These components are often replaced at the same time.
Check for stripped threads, corrosion, or stretching. Replace if damaged.
Ensure threads are clean and the nut can be torqued properly.
Often used in combination with lock washers; replace if warped or corroded.
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